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CK639-2 - Straight Gas Nozzle for Fume Extraction MIG Gun - 400A

Packaging: 1 Per Ea
$432.98/EA $270.61/1 Per Ea only $270.61/EASave 38%

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OVERVIEW

Get Into Tight Spots with the Straight SHM 400 Nozzle

Every welder knows the frustration of trying to lay a bead in a tight corner or a deep V-groove, only to have your nozzle bump against the sidewalls. Standard conical nozzles are great for visibility on flat plates, but they can be a headache when space is limited. That's where the Straight Nozzle SHM 400 comes in. Designed for heavy-duty MIG guns—especially those bulky fume extraction models—this straight-bore nozzle gives you the clearance you need to reach the root of the joint without losing gas coverage.

Built for Heat and Fumes
Fume extraction guns run hot because they are pulling warm air and smoke right past the front end parts. This nozzle is built to take that punishment. Rated for 400-amp work, it’s made from heavy copper that dissipates heat quickly, keeping your consumables lasting longer. The straight design also helps keep the shielding gas flowing smoothly around the puddle, even when the vacuum suction is running full blast, preventing porosity and ensuring a clean weld.

Less Spatter, Less Downtime
Nobody likes stopping to scrape spatter. This nozzle features a plating that helps resist spatter buildup, so you can keep welding longer between cleanings. Whether you are running a handheld fume gun or a machine torch setup, swapping to a straight nozzle can be the simple fix for your access problems. It’s a solid, reliable upgrade for your industrial welding rig.

Additional Information
Product Type:Gas Nozzle, Fume Extraction Nozzle
Shape:Straight
Amperage Class:400A, 500A
Compatible Process:MIG/MAG, Fume Extraction
Material:Copper Alloy, Nickel Plated
Nozzle Type:Straight, Cylindrical
Application:Heavy Duty Fabrication, Fume Extraction
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Straight Gas Nozzle (SHM 400 Style)

APPLICATIONS

  • Heavy Industrial Fabrication
  • Structural Steel Welding
  • Fume Extraction MIG Welding
  • Deep Groove & Narrow Gap Welding
  • Automated/Robotic Welding Cells

FAQ

A straight nozzle provides better access into tight corners, narrow gaps, and deep grooves where a conical nozzle might hit the sidewalls. It also maintains a consistent gas column over a longer distance.

Yes, the SHM 400 designation and design are typically associated with heavy-duty fume extraction MIG guns, such as the Binzel RAB GRIP series.

It is designed for the 400A to 500A range, making it suitable for high-deposition industrial welding.

The straight shape actually provides excellent gas coverage, especially in drafty conditions or when using fume extraction, as it creates a strong, columnar flow of shielding gas.

The nozzle is plated to resist spatter, but using a quality nozzle dip or anti-spatter spray is recommended, especially in high-amperage applications.

In this context, SHM likely refers to a specific series of Suction Hood or Smoke Handle MIG components, indicating compatibility with specific fume extraction torch lines.

It depends on the thread pattern and seat dimensions. While designed for specific fume guns, it may fit standard 400A/500A guns with compatible front-end parts.